Content 0:00 Introduction 0:10 Diaphragm Function 0:55 Content 1:16 Lumbar Origin 3:15 Costal Origin 3:26 Sternal Origin 3:56 Openings of the Diaphragm 4:56 Sternocostal Triangle 5:16 Lumbocostal Triangle (Bochdalek's Foramen) 6:05 Lumbar Openings 6:18 Coverings of the Diaphragm ------------------------------- 🫀 Join: https://www.youtube.com/channel/UCEr7pkSXVsHcBLLBcJAGV-Q/join 📷 Follow my IG: https://www.instagram.com/taimtalksmed/ 💝 Donation link: https://www.buymeacoffee.com/taimtalksmed ------------------------------- Diaphragm Parts: - Central Tendinous Part - Muscular Part - Main Muscle of Inspiration Origin Points Lumbar Part - Right Crus crus dextrum - Left Crus crus sinistrum - Suspensory Muscle of Duodenum (Muscle of Treitz) - Lateral Arcuate Ligament ○ Quadratus Lumborum Muscle - Median Arcuate Ligament ○ Aorta - Medial Arcuate Ligament ○ Psoas Major Muscle Costal Part Sternal Part - Xiphoid Porcess of Sternum Openings of the Diaphragm - Caval Opening Foramen venae cavae ○ Inferior Vena Cava ○ Right Phrenic Nerve - Oesophageal Hiatus Hiatus oesophageus ○ Esophagus ○ N. Vagus - Aortic Hiatus Hiatus aorticus ○ Aorta ○ Thoracic Duct - Sternocostal Triangle Trigonum sternocostale ○ Internal Thoracic Vein ○ Internal Thoracic Artery - Lumbocostal Triangle Trigonum lumbocostale ○ ‘’Bochdalek's foramen’’ - Lumbar Part Pars lumborum ○ Sympathetic Trunk ○ Splanchnic Trunk ○ Azygos Vein Coverings of the Diaphragm - Endothoracic Fascia Fascia endothoracica - Diaphragmatic part of Parietal Pleua Endoabdominal Fascia - Fascia endoabdominalis - Peritoneum